Education on the move - Extracts from Background Papers prepared for the reporon the international commission on the development of education. 

 - Paris : UNESCO; Toronto : Ontario Institute for Studies in Education, 1975. 
 - 307 p. 
<br/><br/><label>ISBN: </label>077441005 (OISE) 92-3-101216-9. 
<br/><br/><label>No. de Clasificación Universal Decimal: </label>37.014 (-77) =20 EDU.